Solar flares on November 17, 2025
The most powerful solar flare in 24 hours
C7.5 (normal) flare - November 17 at 4:30 AM
Solar activity index
Value as of the end of the day on November 17, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 16, 2025 to November 17, 2025
Time zone — UTC+03 (Sochi)
List of solar flares for November 17, 2025
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 23:27 | 23:34 | 23:41 | 4284 |
| C5.4 | 19:49 | 19:54 | 19:58 | 4284 |
| C6.1 | 17:31 | 19:06 | 20:03 | 4274 |
| C2.1 | 16:12 | 16:22 | 16:41 | 4274 |
| C1.2 | 13:35 | 13:41 | 13:46 | 4284 |
| C1.7 | 11:00 | 11:09 | 11:12 | 4284 |
| C1.6 | 09:41 | 09:48 | 09:53 | 4284 |
| C1.5 | 09:08 | 09:11 | 09:16 | 4284 |
| C1.3 | 07:19 | 07:27 | 07:30 | 4284 |
| C2.0 | 05:17 | 05:22 | 05:26 | 4284 |
| C7.5 | 04:23 | 04:30 | 04:35 | 4284 |
| C3.8 | 00:36 | 00:51 | 01:14 | 4274 |